package com.hspedu.collection_;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

/**
 * @author DL5O
 * @version 1.0
 */
public class Collection_ {
    @SuppressWarnings("all")
    public static void main(String[] args) {
//        Collection
//        Map
        ArrayList arrayList = new ArrayList();
        arrayList.add("jack");
        arrayList.add("tom");

        HashMap hashMap = new HashMap();
        hashMap.put("NO1","北京");
        hashMap.put("NO2","伤害");
    }
}
